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// Copyright (c) 1997 Philip A. Hardin (pahardin@cs.utexas.edu)
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License v2 or later.
#include <math.h>
#include <sys/time.h> // to get select()
//#include <sys/select.h> // to get select() on some other systems
#include "general.h"
#include "ang2d.h"
const ang2d MA_PI= 1024; // PI, in machine angles, min. 512
/************************************************************************/
double *sinTbl, *cosTbl;
void InitFixed() {
// the following never gets freed, but who cares?
sinTbl= new double[2*MA_PI +MA_PI/2];
cosTbl= sinTbl +MA_PI/2;
forii(2*MA_PI +MA_PI/2)
sinTbl[i]= sin(i*M_PI/MA_PI);
}
void SleepFor(int val)
{ struct timeval tv2;
fd_set * const no_fd = 0;
tv2.tv_sec=0;
tv2.tv_usec=val;
select(0,no_fd,no_fd,no_fd,&tv2);
}
//char *str_dup(char *s)
//{ return strcpy(malloc(strlen(s)+1),s);
//}
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